A free energy model for piezoceramic materials

Ralph C. Smith, Stefan Seelecke, Zoubeida Ounaies

Research output: Contribution to journalArticle

11 Citations (Scopus)

Abstract

This paper addresses the development of a free energy model for quantifying the hysteresis and constitutive nonlinearities inherent to piezoceramic materials. In the first step of the development, free energy relations for a single crystal with uniform lattice are considered and used to construct evolution equations which quantify the polarization as a function of the applied field. The effects of nonuniform lattice structures, nonhomogeneous effective fields and polycrystalline materials are then incorporated through the use of appropriate distributions in the free energy formulation. The resulting model, which is an extension of the Müller-Achenbach-Seelecke theory for shape memory alloys, is low-order and hence highly efficient to implement. Attributes of the model are illustrated through comparison with experimental data.

Original languageEnglish (US)
Pages (from-to)183-190
Number of pages8
JournalProceedings of SPIE-The International Society for Optical Engineering
Volume4693
DOIs
StatePublished - Jan 1 2002

Fingerprint

Piezoceramics
Energy Model
Free energy
Free Energy
free energy
Crystal lattices
Polycrystalline materials
Control nonlinearities
Lattice Structure
Shape Memory
shape memory alloys
Single Crystal
Shape memory effect
Hysteresis
Evolution Equation
Quantify
Polarization
hysteresis
nonlinearity
Attribute

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics
  • Computer Science Applications
  • Applied Mathematics
  • Electrical and Electronic Engineering

Cite this

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A free energy model for piezoceramic materials. / Smith, Ralph C.; Seelecke, Stefan; Ounaies, Zoubeida.

In: Proceedings of SPIE-The International Society for Optical Engineering, Vol. 4693, 01.01.2002, p. 183-190.

Research output: Contribution to journalArticle

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